Links

http://www.weather.com
Weather.com has a page just for current hazards.  That page will give you recent updates on the more main stream hazards; most are from the US. The page usually focuses on one current hazard for that day.
There is a map that shows the doppler radar for the US which includes a forecast of light to heavy rain and icy conditions as well as snow. 
One map is to show severe alerts which includes watches and warnings of floods, tornadoes, thunderstorms, and snow storms.
There is also a page that has an interactive map where you can choose what you would like to see as far as radar, winds and temperatures.  The map allows you to look back at the last few hours to give a good idea on which way weather is traveling.
The Weather Channel now has a hurricane tracker! It shows where the low pressure cell is that is coming our way in order to keep us updated on future hurricanes hitting our East coast.

http://www.bbc.co.uk
The BBC page gives you a choice of World regions when searching for weather.  BBC gives more of a world view rather than US news like most American sites have. There is a map for the world summary and shows the amount of current news-worthy information is happening at the time for weather.
A page will even take you to a list of Countries that you can select and see what kind of climate it is in as well as what types of hazards it is prone to.

http://www.sciencedaily.com
This gives more world news as far as weather and has many links to certain kinds of weather updates you're looking for.  It also goes more in depth with science and with what is actually happening in certain regions as far as climate.
You can find articles on this site based on what types of news you are looking for such as environmental issues, drought, hazardous waste, air quality and even acid rain.  These articles are on locations all over the world.


http://www.foxnews.com
Fox has a disaster page and is focused on more of a world view of current disasters.  It also has links to past disasters depending on what you're looking for.  The pages include in depth summaries as well as pictures.
The Environmental page shows issues that are currently going on all over the world.  The pages have articles that include interviews, news stories, and captioned pictures.
There is a page on the site that also gives international weather news which involves weather hazards, environmental quality and human actions.

http://www.usgs.gov/
This site has a huge amount of information on all different types of Hazards.  The links show statistics, maps, images, and provides educational information on hazard warnings and what to do in specific hazards.
There is a map specific to volcanoes and it shows alert levels for each area. The levels can be normal, avisory, watch and warning.
Another link shows significant earthquakes that have happened within the last 30 days.  The information includes magnitude and depth along with links to each earthquake showing in depth information along with a map of the location.
Within the water watch tab, there is a map that shows flood conditions throughout the US.
The Landslide information has a page for landslide monitering. It shows recent landslide data from 15 minutes to 24 hours ago.